Plant husbandry – Tree trunk guard or protector
Patent
1974-11-01
1976-04-13
Burr, Edgar S.
Plant husbandry
Tree trunk guard or protector
47 37, A01G 902, A01C 1100
Patent
active
039495230
ABSTRACT:
A structure for use in the raising of seedlings and which consists of a plurality of cells lack having an open mouth and extending downwardly from a planar or horizontal plate, preferably formed from a sheet of plastic. The side walls of cell together define at least one acute angle. The side walls of each cell has an inwardly tapering shape so that they may fit one into the other when empty structures are stacked. The bottoms of the cells are permeable to water.
REFERENCES:
patent: 3561158 (1971-02-01), Marcan
patent: 3660960 (1972-05-01), Inman
patent: 3667159 (1972-06-01), Todd
patent: D190685 (1961-06-01), Roskam
Burr Edgar S.
Enso-Gutzeit Osakeyitio
Feyrer James R.
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